#include "apue.h"
#include <fcntl.h>

int main() {
    if (open("playground/tempfile", O_RDWR) < 0)
        err_sys("open error");
    if(unlink("playground/tempfile") < 0)
        err_sys("unlink error");
    printf("file unlink\n");

    sleep(15);
    printf("Done\n");
    exit(0);
}
